content: more tweaks to the 'Six years' article
content: more tweaks to the 'Six years' article

Change-Id: I0fc12d2392a8abb50d95df410f86832496d07ace
Reviewed-on: https://go-review.googlesource.com/16790
Reviewed-by: Andrew Gerrand <395a7d33bec8475c9b83b7d440f141bcbd994aa5@golang.org>

jeffreyliguori/blog